Finding the Fourth Proportional to 444,900.18, 667,415.34 and 129,316.08
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Solution
The fourth proportional to 444,900.18, 667,415.34 and 129,316.08 is: 193,993.03
Step by Step Solution
- Step 1: Write the proportion equation
444,900.18 : 667,415.34 = 129,316.08 : x - Step 2: Convert to fraction form
444,900.18/667,415.34 = 129,316.08/x - Step 3: Cross multiply
444,900.18x = 667,415.34 × 129,316.08 - Step 4: Simplify right side
444,900.18x = 86,307,535,500.67 - Step 5: Solve for x
x = 86,307,535,500.67/444,900.18 - Step 6: Final answer
x = 193,993.03
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.